/* Shared site chrome — header, mobile menu, footer */

.skip-link {
    position: absolute;
    left: 1rem;
    top: -5rem;
    z-index: 200;
    padding: 0.75rem 1.15rem;
    border-radius: 999px;
    background: var(--color-accent, #ea580c);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    pointer-events: auto;
}

.skip-link:focus {
    top: 1rem;
}

/* --- Site header --- */
.site-header-wrapper {
    position: fixed;
    top: 1rem;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-inline: 1rem;
    pointer-events: none;
    transition: all var(--transition-base);
}

@media (min-width: 768px) {
    .site-header-wrapper {
        padding-inline: 2rem;
    }
}

.site-header {
    pointer-events: auto;
    width: 100%;
    max-width: var(--container-max);
    transition:
        background var(--transition-base),
        border-color var(--transition-base),
        box-shadow var(--transition-base),
        backdrop-filter var(--transition-base);
    border: 1px solid transparent;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: var(--radius-full);
    box-shadow: none;
}

.site-header--scrolled {
    border-color: var(--gray-200);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
}

.dark .site-header--scrolled {
    border-color: #333;
    background: rgba(8, 8, 8, 0.95);
}

/* Mobile: glass header always; border only after scroll */
@media (max-width: 1023px) {
    .site-header {
        border-color: transparent;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        box-shadow: var(--shadow-lg);
    }

    .dark .site-header {
        border-color: transparent;
        background: rgba(8, 8, 8, 0.95);
    }

    .site-header--scrolled {
        border-color: var(--color-border);
    }

    .dark .site-header--scrolled {
        border-color: #333;
    }
}

/* Desktop only: transparent header chrome over hero image before scroll */
@media (min-width: 1024px) {
/* Header chrome over hero background at top of page (dark theme) */
.dark .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__logo {
    color: #fff;
}

.dark .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__nav {
    color: rgba(255, 255, 255, 0.82);
}

.dark .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__nav a:hover,
.dark .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__nav a.is-active {
    color: var(--color-accent-400);
}

.dark .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__logo-badge {
    background: #fff;
    color: #000;
}

.dark .page-hero-bg .site-header:not(.site-header--scrolled) .theme-toggle {
    color: rgba(255, 255, 255, 0.78);
}

.dark .page-hero-bg .site-header:not(.site-header--scrolled) .theme-toggle:hover {
    color: var(--color-accent-400);
    background: rgba(255, 255, 255, 0.08);
}

.dark .page-hero-bg .site-header:not(.site-header--scrolled) .mobile-menu-toggle {
    color: #fff;
}

.dark .page-hero-bg .site-header:not(.site-header--scrolled) .mobile-menu-toggle:hover {
    color: var(--color-accent-400);
    background: rgba(255, 255, 255, 0.08);
}

/* Light theme: dark header over white hero overlay */
html:not(.dark) .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__logo {
    color: var(--brand-black);
}

html:not(.dark) .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__nav {
    color: var(--gray-600);
}

html:not(.dark) .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__nav a:hover,
html:not(.dark) .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__nav a.is-active {
    color: var(--color-accent);
}

html:not(.dark) .page-hero-bg .site-header:not(.site-header--scrolled) .site-header__logo-badge {
    background: var(--brand-black);
    color: var(--brand-white);
}

html:not(.dark) .page-hero-bg .site-header:not(.site-header--scrolled) .theme-toggle {
    color: var(--gray-500);
}

html:not(.dark) .page-hero-bg .site-header:not(.site-header--scrolled) .mobile-menu-toggle {
    color: var(--brand-black);
}
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    height: 4rem;
    padding-inline: 1rem;
    min-width: 0;
    flex-wrap: nowrap;
}

@media (min-width: 768px) {
    .site-header__inner {
        height: 4rem;
        padding-inline: 1rem;
    }
}

.site-header__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--brand-black);
}

.site-header__logo-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dark .site-header__logo {
    color: var(--brand-white);
}

.site-header__logo-badge {
    width: 2.25rem;
    height: 2.25rem;
    background: var(--brand-black);
    color: var(--brand-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    overflow: hidden;
    flex-shrink: 0;
}

.dark .site-header__logo-badge {
    background: var(--brand-white);
    color: var(--brand-black);
}

.site-logo-mark__img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 18%;
    box-sizing: border-box;
}

.site-logo-mark__img--dark {
    display: none;
}

.dark .site-logo-mark__img--light {
    display: none;
}

.dark .site-logo-mark__img--dark {
    display: block;
}

.site-logo-mark--has-image {
    font-size: 0;
    line-height: 0;
}

.site-header__nav {
    display: none;
    align-items: center;
    gap: 2rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--gray-600);
    flex-shrink: 0;
}

@media (min-width: 1200px) {
    .site-header__nav {
        display: flex;
    }
}

.dark .site-header__nav {
    color: var(--brand-graylight);
}

.site-header__nav a:hover,
.site-header__nav a.is-active {
    color: var(--color-accent);
}

.dark .site-header__nav a:hover,
.dark .site-header__nav a.is-active {
    color: var(--color-accent-400);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

@media (min-width: 1200px) {
    .site-header__actions {
        gap: 1rem;
    }
}

.theme-toggle {
    color: var(--gray-500);
    background: transparent;
    border: none;
    padding: 0.5rem;
    padding-bottom: 5px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.theme-toggle:hover {
    color: var(--color-accent);
    background: var(--gray-100);
}

.dark .theme-toggle {
    color: var(--brand-gray);
    line-height: 1;
}

.dark .theme-toggle:hover {
    color: var(--color-accent-400);
    background: #222;
}

.theme-toggle__icon {
    width: 1.25rem;
    /* height: 1.25rem; */
}

.mobile-menu-toggle {
    display: flex;
    color: var(--brand-black);
    background: transparent;
    border: none;
    padding: 0.5rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

@media (min-width: 1200px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle:hover {
    color: var(--color-accent);
    background: var(--gray-100);
}

.dark .mobile-menu-toggle {
    color: var(--brand-white);
}

.dark .mobile-menu-toggle:hover {
    color: var(--color-accent-400);
    background: #222;
}

.mobile-menu-toggle__icon {
    width: 1.5rem;
    height: 1.5rem;
    transition: transform var(--transition-base);
}

/* Mobile menu dropdown */
.mobile-menu {
    pointer-events: auto;
    width: 100%;
    max-width: var(--container-max);
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
}

.dark .mobile-menu {
    background: rgba(8, 8, 8, 0.95);
    border-color: #333;
}

.mobile-menu--open {
    max-height: min(70vh, 36rem);
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-align: center;
}

.mobile-menu__link {
    color: var(--gray-600);
    padding: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.mobile-menu__link:hover,
.mobile-menu__link.is-active {
    color: var(--color-accent);
    background: var(--gray-100);
}

.dark .mobile-menu__link {
    color: var(--brand-graylight);
}

.dark .mobile-menu__link:hover,
.dark .mobile-menu__link.is-active {
    color: var(--color-accent-400);
    background: #111;
}

.mobile-menu__link--cta {
    color: var(--brand-white);
    background: var(--brand-black);
    font-weight: 700;
    margin-top: 0.5rem;
}

.mobile-menu__link--cta:hover {
    background: var(--color-accent);
    color: var(--brand-white);
}

.dark .mobile-menu__link--cta {
    color: var(--brand-black);
    background: var(--brand-white);
}

.dark .mobile-menu__link--cta:hover {
    background: var(--color-accent-500);
    color: var(--brand-white);
}

/* --- Footer --- */
.site-footer-wrap {
    background: var(--gray-100);
    padding: 2.5rem 1rem 1rem;
    transition: background var(--transition-base);
}

@media (min-width: 768px) {
    .site-footer-wrap {
        padding: 2.5rem 2rem 2rem;
    }
}

.dark .site-footer-wrap {
    background: #050505;
}

.site-footer {
    max-width: var(--container-max);
    margin-inline: auto;
    background: var(--gray-50);
    border: 1px solid var(--color-border);
    padding-block: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-form);
}

.dark .site-footer {
    background: var(--brand-nearblack);
    box-shadow: none;
}

.site-footer__inner {
    padding-inline: 1.5rem;
}

@media (min-width: 1024px) {
    .site-footer__inner {
        padding-inline: 3rem;
    }
}

.site-footer__grid {
    display: grid;
    gap: 2.5rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .site-footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .site-footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.site-footer__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--brand-black);
    margin-bottom: 1.25rem;
}

.dark .site-footer__brand {
    color: var(--brand-white);
}

.site-footer__logo-badge {
    width: 2.25rem;
    height: 2.25rem;
    background: var(--brand-black);
    color: var(--brand-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    border-radius: var(--radius-full);
    transition: background var(--transition-base);
    overflow: hidden;
    flex-shrink: 0;
}

.dark .site-footer__logo-badge {
    background: var(--brand-white);
    color: var(--brand-black);
}

.site-footer__desc {
    font-size: 0.875rem;
    color: var(--gray-600);
    max-width: 24rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
    line-height: var(--leading-relaxed);
}

.dark .site-footer__desc {
    color: var(--brand-graylight);
}

.site-footer__tagline {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray-500);
}

.dark .site-footer__tagline {
    color: var(--brand-gray);
}

.site-footer__heading {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--brand-black);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.dark .site-footer__heading {
    color: var(--brand-white);
}

.site-footer__links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.dark .site-footer__links {
    color: var(--brand-graylight);
}

.site-footer__links a {
    transition: color var(--transition-base);
}

.site-footer__links a:hover {
    color: var(--color-accent);
}

.dark .site-footer__links a:hover {
    color: var(--color-accent-400);
}

.site-footer__link-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-footer__bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--gray-500);
}

@media (min-width: 768px) {
    .site-footer__bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.dark .site-footer__bottom {
    color: var(--brand-gray);
}

.site-footer__legal {
    display: flex;
    gap: 1rem;
}

.site-footer__legal a:hover {
    color: var(--color-accent);
}

.dark .site-footer__legal a:hover {
    color: var(--color-accent-400);
}

/* Scroll to top */
.scroll-to-top {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 45;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    padding: 0;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    background: var(--brand-black);
    color: var(--brand-white);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(1rem) scale(0.9);
    transition:
        opacity var(--transition-base),
        visibility var(--transition-base),
        transform var(--transition-base),
        background var(--transition-base),
        border-color var(--transition-base),
        box-shadow var(--transition-base);
}

.scroll-to-top[hidden] {
    display: flex;
}

.scroll-to-top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.scroll-to-top:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--brand-white);
    box-shadow: var(--shadow-accent);
}

.scroll-to-top:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.dark .scroll-to-top {
    background: var(--brand-white);
    color: var(--brand-black);
    border-color: #333;
}

.dark .scroll-to-top:hover {
    background: var(--color-accent-500);
    color: var(--brand-white);
    border-color: var(--color-accent-500);
}

.scroll-to-top__icon {
    width: 1.25rem;
    height: 1.25rem;
}

@media (min-width: 768px) {
    .scroll-to-top {
        right: 2rem;
        bottom: 2rem;
        width: 3.25rem;
        height: 3.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .scroll-to-top {
        transition: opacity var(--transition-fast), visibility var(--transition-fast);
    }
}